/**
 * 浮动层（跟随纵向滚动条）组件样式
 */
.followlayer{
    position: absolute;
    top: 0px;
    right: 0px;
    overflow: hidden;
}
.followlayer > ul{
    margin: 0px;
}
.followlayer > ul > li{
    padding-bottom: 10px;
}